Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal for other than internal combustion engine – or...
Reexamination Certificate
2008-01-08
2008-01-08
Pickard, Alison K (Department: 3673)
Seal for a joint or juncture
Seal between fixed parts or static contact against...
Contact seal for other than internal combustion engine, or...
C277S644000, C277S647000, C277S654000
Reexamination Certificate
active
11371882
ABSTRACT:
A seal for restricting leakage of a fluid from a first chamber, through a gap between two components, to a second chamber is provided. A slot is formed in each of the two components. The slots face one another and are open to the gap. Each slot contains a longitudinal axis, an upstream surface proximate the first chamber and a downstream surface proximate the-second chamber. Disposed in the slots and spanning the gap is a bridging assembly comprising first and second bridging elements. Each bridging element contains a sectional profile, transverse to the longitudinal slot axis, that is wave shaped. The bridging elements further contain a crest portion disposed between two trough portions with the crest portions nesting together. When installed, the trough portions are disposed in the slots and the crest portions are disposed in the gap.
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Cini Colin L.
Pickard Alison K
United Technologies Corporation
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